CN107264513A - A kind of electricity-generating control method of hybrid electric vehicle, equipment and system - Google Patents

A kind of electricity-generating control method of hybrid electric vehicle, equipment and system Download PDF

Info

Publication number
CN107264513A
CN107264513A CN201710556731.8A CN201710556731A CN107264513A CN 107264513 A CN107264513 A CN 107264513A CN 201710556731 A CN201710556731 A CN 201710556731A CN 107264513 A CN107264513 A CN 107264513A
Authority
CN
China
Prior art keywords
engine
power
threshold
air
oil consumption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710556731.8A
Other languages
Chinese (zh)
Inventor
邢路军
宋球
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dezhou Flurida Intelligent Vehicle Research Ltd
Original Assignee
Dezhou Flurida Intelligent Vehicle Research Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dezhou Flurida Intelligent Vehicle Research Ltd filed Critical Dezhou Flurida Intelligent Vehicle Research Ltd
Priority to CN201710556731.8A priority Critical patent/CN107264513A/en
Publication of CN107264513A publication Critical patent/CN107264513A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/3205Control means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/24Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/30Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00Control systems specially adapted for hybrid vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H2001/3236Cooling devices information from a variable is obtained
    • B60H2001/3255Cooling devices information from a variable is obtained related to temperature
    • B60H2001/3261Cooling devices information from a variable is obtained related to temperature of the air at an evaporating unit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H2001/3286Constructional features
    • B60H2001/3292Compressor drive is electric only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00Input parameters relating to overall vehicle dynamics
    • B60W2520/10Longitudinal speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/06Combustion engines, Gas turbines
    • B60W2710/0644Engine speed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Abstract

The invention provides a kind of electricity-generating control method of hybrid electric vehicle, hybrid electric vehicle includes engine, air-conditioning system and battery, and method includes:First threshold, Second Threshold and the 3rd threshold value are set, wherein, Second Threshold is more than first threshold;Obtain the working condition of the travel speed, the working condition of air-conditioning system and engine of hybrid electric vehicle;If it is opening that the travel speed of hybrid electric vehicle, which is equal to the working condition that the 0, working condition of engine is opening and air-conditioning system, cell voltage and engine speed are obtained;If cell voltage is more than first threshold, control engine keeps rotating speed;If cell voltage is less than or equal to first threshold and engine speed is less than the 3rd threshold value, control engine speed is incremented to the 3rd threshold value;If cell voltage is more than Second Threshold, control engine speed is successively decreased.

Description

A kind of electricity-generating control method of hybrid electric vehicle, equipment and system
Technical field
The present invention relates to hybrid electric vehicle technical field, more particularly to a kind of electricity-generating control method of hybrid electric vehicle, set Standby and system.
Background technology
Raising with people to environmental consciousness, energy-conservation and environmental protection have incorporated the dribs and drabs of our lives gradually.Automobile The transition of industry also has become everybody common recognition, and energy-conserving and environment-protective concept is rooted in the hearts of the people, and hybrid electric vehicle have multi power source, Save, discharge low remarkable advantage, obtain worldwide highest attention.
Hybrid vehicle gradually approved by everybody as a kind of transiens product of fuel vehicle to new-energy automobile, It is on the basis of pure electric vehicle increase petrol engine as stand-by power, electric car by driven by power, what it was carried Fuel engines can power for vehicle drive motor, be lighted to battery increase, realize and charged when running.Hybrid vehicle has There is multi power source, save, discharge low remarkable advantage, obtain worldwide highest attention.For example patent document Japan is special The hybrid electric vehicle for opening flat 9-298802 publications record possesses the engine of driving front-wheel and the dynamotor of driving trailing wheel, And in vehicle deceleration, the electric energy produced by the regenerative braking of dynamotor is charged into battery.
Have in existing hybrid electric vehicle after a set of ripe air-conditioning system, but air-conditioning system operation, during stationary vehicle, The idle power to provide air-conditioning system operation of engine, now other power capacities can only lose engine in vain.
Existing hybrid electric vehicle uses electric air-conditioning, therefore pure electric control, once battery supply feed, vehicle will be unable to normal fortune OK, opening air-conditioning also causes hybrid electric vehicle course continuation mileage to greatly shorten.
The content of the invention
It is an object of the invention to provide a kind of electricity-generating control method of hybrid electric vehicle, equipment and system.By changing Control strategy, while continual mileage is ensured, rationally using the energy of engine, improves capacity usage ratio, reaches energy-saving ring The purpose of guarantor.
In order to solve the above-mentioned technical problem, embodiment of the invention proposes a kind of generating of hybrid electric vehicle first Control method, the hybrid electric vehicle includes engine, air-conditioning system and battery, and methods described includes:First threshold, the are set Two threshold values and the 3rd threshold value, wherein, the Second Threshold is more than the first threshold;Obtain the traveling speed of the hybrid electric vehicle The working condition of degree, the working condition of the air-conditioning system and the engine;If the traveling speed of the hybrid electric vehicle The working condition that degree is equal to 0, the working condition of the engine is opening and the air-conditioning system is opening, then Obtain cell voltage and engine speed;If the cell voltage is more than the first threshold, the engine is controlled to protect Hold rotating speed;If cell voltage is less than or equal to first threshold and engine speed and is less than the 3rd threshold value, start described in control Machine rotating speed is incremented to the 3rd threshold value;If the cell voltage is more than the Second Threshold, the engine speed is controlled to pass Subtract.
In a preferred embodiment of the invention, the air-conditioning system includes evaporator, and methods described further comprises:If The 4th threshold value and the 5th threshold value are put, wherein, the 4th threshold value is more than the 5th threshold value;Obtain evaporator surface temperature;Such as Really described evaporator surface temperature is more than the 4th threshold value, then controls the air-conditioning system to be operated in opening;If institute Evaporator surface temperature is stated less than the 5th threshold value, then controls the air-conditioning system work in off position.
In a preferred embodiment of the invention, methods described further comprises:If the traveling of the hybrid electric vehicle Speed be equal to 0 and the air-conditioning system working condition be closed mode, then after controlling the engine idle n minutes It is flame-out.
In a preferred embodiment of the invention, methods described further comprises:If the traveling of the hybrid electric vehicle It is opening that speed, which is equal to the working condition that the 0, working condition of the engine is closed mode and the air-conditioning system, The engine is then controlled to be in opening.
In a preferred embodiment of the invention, methods described further comprises:If the traveling of the hybrid electric vehicle Speed is not equal to 0, then controls the engine to be operated in efficiency power generation pattern.
In a preferred embodiment of the invention, the control engine, which is operated in efficiency power generation pattern, includes:If Put theoretical power consumption oil consumption and tolerance value;Obtain realtime power oil consumption;Judge whether the realtime power oil consumption is more than the theory Power oil consumption and the tolerance value and;If the realtime power oil consumption is more than the theoretical power (horse-power) oil consumption and the tolerance value Sum, then control engine adjustment rotating speed, otherwise continue to judge the realtime power oil consumption whether less than the theoretical work( Rate oil consumption and the difference of the tolerance value;If it is determined that the realtime power oil consumption is less than the theoretical power (horse-power) oil consumption and the tolerance The difference of value, then control the engine adjustment rotating speed, otherwise control the engine to keep rotating speed.
In order to solve the above-mentioned technical problem, embodiment of the invention also proposes a kind of generating control of hybrid electric vehicle Control equipment, the hybrid electric vehicle includes engine, air-conditioning system and battery, and the equipment includes:Threshold setting module, is used for First threshold, Second Threshold and the 3rd threshold value are set, wherein, the Second Threshold is more than the first threshold;Acquisition module, is used In the work shape for the travel speed, the working condition of the air-conditioning system and the engine for obtaining the hybrid electric vehicle State;Control module, if the working condition that the travel speed of the hybrid electric vehicle is equal to the 0, engine is opening And the working condition of the air-conditioning system is opening, then for obtaining cell voltage and engine speed;If described Cell voltage is more than the first threshold, then for controlling the engine to keep rotating speed, if cell voltage is less than or equal to First threshold and engine speed are less than the 3rd threshold value, then for controlling the engine speed to be incremented to the 3rd threshold value;If The cell voltage is more than the Second Threshold, then for controlling the engine speed to successively decrease.
In a preferred embodiment of the invention, the air-conditioning system includes evaporator, and the equipment further comprises:Institute Threshold setting module is stated to be additionally operable to set the 4th threshold value and the 5th threshold value, wherein, the 4th threshold value is more than the 5th threshold value; The acquisition module is additionally operable to obtain evaporator surface temperature;If the evaporator surface temperature is more than the 4th threshold value, Then the control module is used to control the air-conditioning system to be operated in opening;If the evaporator surface temperature is less than institute The 5th threshold value is stated, then the control module is used to control the air-conditioning system work in off position.
In a preferred embodiment of the invention, the equipment further comprises:If the traveling of the hybrid electric vehicle Speed be equal to 0 and the air-conditioning system working condition be closed mode, then the control module be additionally operable to control the hair Stop working after motivation is idle n minutes.
In a preferred embodiment of the invention, the equipment further comprises:If the traveling of the hybrid electric vehicle It is opening that speed, which is equal to the working condition that the 0, working condition of the engine is closed mode and the air-conditioning system, Then the control module is additionally operable to control the engine to be in opening.
In a preferred embodiment of the invention, the equipment further comprises:If the traveling of the hybrid electric vehicle Speed is not equal to 0, then the control module is additionally operable to control the engine to be operated in efficiency power generation pattern.
In a preferred embodiment of the invention, the control engine, which is operated in efficiency power generation pattern, includes:If Put theoretical power consumption oil consumption and tolerance value;Obtain realtime power oil consumption;Judge whether the realtime power oil consumption is more than the theory Power oil consumption and the tolerance value and;If the realtime power oil consumption is more than the theoretical power (horse-power) oil consumption and the tolerance value Sum, then control engine adjustment rotating speed, otherwise continue to judge the realtime power oil consumption whether less than the theoretical work( Rate oil consumption and the difference of the tolerance value;If it is determined that the realtime power oil consumption is less than the theoretical power (horse-power) oil consumption and the tolerance The difference of value, then control the engine adjustment rotating speed, otherwise control the engine to keep rotating speed.
In order to solve the above-mentioned technical problem, embodiment of the invention additionally provides a kind of generating of hybrid electric vehicle Control system, the system includes hybrid electric vehicle and the power generation control device.
Electricity-generating control method, equipment and the system for a kind of hybrid electric vehicle that the present invention is provided.Wherein, air-conditioning system is passed through Middle evaporator surface temperature controls the Push And Release of air-conditioning system, and different power generation modes and air-conditioning system are realized according to driving cycle With reference to operation, reach that not only meeting user enjoys the demand of air-conditioning but also can charge the battery, so as to improve energy utilization rate, reaches section The purpose of energy.
Brief description of the drawings
Fig. 1 is a kind of structural framing of the power-generating control system of hybrid electric vehicle according to the specific embodiment of the invention Figure;
Fig. 2 is the structured flowchart of the air-conditioning system according to the specific embodiment of the invention;
Fig. 3 is a kind of structured flowchart of the power generation control device of hybrid electric vehicle according to the specific embodiment of the invention;
Fig. 4 is a kind of flow chart of the electricity-generating control method of hybrid electric vehicle according to the specific embodiment of the invention;
Fig. 5 is a kind of flow of the electricity-generating control method of hybrid electric vehicle according to another embodiment of the invention Figure;
Fig. 6 is the workflow diagram of the efficiency power generation pattern according to another embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.
Element/component of the same or like label used in drawings and the embodiments is same or like for representing Part.And accompanying drawing is only schematical, and element therein is without perspec-tive.
Fig. 1 is a kind of structural framing of the power-generating control system of hybrid electric vehicle according to the specific embodiment of the invention Figure.Reference picture 1, power-generating control system 100 include power generation control device 200 and with starting that power generation control device 200 is connected Machine system 300, air-conditioning system 600 and battery management system 500.Wherein, engine system 300 includes generator 301, engine 302 and ECU (engine control system) 303.Battery management system 500 includes battery 501, in specific implementation, battery management System 500 can be band battery management system or without battery management system in a balanced way in a balanced way.Battery 501 can be with It is n groups cell or n Battery pack groups.
In specific implementation, power generation control device 200 can be improved on the basis of existing entire car controller (VCU) Form.The institute that existing entire car controller can be completed is functional.
In the system of power-generating control system 100, power generation control device 200 can pre-set first threshold, Second Threshold It is opening and air-conditioning system when the travel speed of hybrid electric vehicle is equal to the 0, working condition of engine with the 3rd threshold value When 600 working condition is opening, cell voltage and engine speed can be obtained.When cell voltage is more than first threshold When, engine 302 can be controlled to keep rotating speed, otherwise control the rotating speed of engine 302 to be incremented to the 3rd threshold value.When cell voltage is big When Second Threshold, the rotating speed of engine 302 can be controlled to successively decrease.
In another embodiment, power generation control device 200 can also pre-set the 4th threshold value and the 5th threshold value, When evaporator surface temperature is more than four threshold values, air-conditioning system 600 can be controlled to be in opening;When evaporator surface temperature When degree is less than five threshold values, air-conditioning system 600 can be controlled to be closed.
It is the structured flowchart according to the air-conditioning system of the specific embodiment of the invention as shown in Figure 2, air-conditioning system 600 can be with The condenser that is connected including compressor of air conditioner and with compressor of air conditioner, radiator fan, switch module, air blower, evaporator and Temperature sensor.Wherein, condenser and radiator fan can be located in the first module, air blower, evaporator and temperature sensor It can be located in the second module.Air-conditioning system 600 can also include the refrigerant being connected between the first module and the second module Circulation line.Switch module can also be connected with the second module.
Fig. 3 is a kind of structured flowchart of the power generation control device of hybrid electric vehicle according to the specific embodiment of the invention. Reference picture 3, power generation control device 200 includes threshold setting module 201, acquisition module 202 and control module 203.Specific real Each module in Shi Zhong, power generation control device 200 can be attached and be communicated by CAN.
Threshold setting module 201 is used to set first threshold, Second Threshold and the 3rd threshold value.Wherein, Second Threshold is more than First threshold.In specific implementation, first threshold can be battery voltage overvoltage threshold, and Second Threshold can be engine Rotating speed successively decreases battery voltage threshold, and the 3rd threshold value can be engine air conditioning mode charging maximum speed threshold value.
Acquisition module 202 is used to obtain the travel speed of hybrid electric vehicle, the working condition of air-conditioning system 600 and started The working condition of machine 301.Wherein, working condition can include opening and closed mode.
If the working condition that the travel speed of hybrid electric vehicle is equal to 0, engine 302 is opening and air-conditioning system The working condition of system 600 is opening, then control module 203 is used to obtain cell voltage and engine speed.If battery Voltage is more than first threshold, then control module 203 is used to control engine 302 to keep rotating speed;Otherwise control module is used to control The rotating speed of engine 302 is incremented to the 3rd threshold value, if that is, cell voltage is less than or equal to first threshold and engine speed does not reach To the 3rd threshold value, then the rotating speed of engine 302 is controlled to be incremented to the 3rd threshold value.If cell voltage is more than Second Threshold, control Module 203 is used to control the rotating speed of engine 302 to successively decrease.
According to another embodiment of the present invention, in above-mentioned power generation control device 200, threshold setting module 201 It can be also used for setting the 4th threshold value and the 5th threshold value.Wherein, the 4th threshold value is more than the 5th threshold value, and the 4th threshold value can be evaporation Device surface temperature control air conditioning clutch adhesive threshold value, the 5th threshold value can be that evaporator surface temperature control air conditioning clutch is broken Open threshold value.
Acquisition module 202 can be also used for obtaining evaporator surface temperature.
If evaporator surface temperature is more than the 4th threshold value, control module 203 can be also used for controlling air-conditioning system 600 It is operated in opening.If evaporator surface temperature is less than the 5th threshold value, control module 203 can be also used for controlling air-conditioning System 600 works in off position.
According to the still another embodiment of the present invention, in above-mentioned power generation control device 200, if hybrid electric vehicle Travel speed be equal to 0 and air-conditioning system 600 working condition be closed mode when, control module 203 is additionally operable to control and started Machine 302 stops working after idle n minutes.Wherein, n can be equal to 1.
According to still another embodiment of the present invention, in above-mentioned power generation control device 200, if the row of hybrid electric vehicle Sail speed equal to 0, the working condition that the working condition of engine 302 is closed mode and air-conditioning system 600 be opening, Then control module 203 is additionally operable to control engine 302 and is in opening.
According to the still another embodiment of the present invention, in above-mentioned power generation control device 200, if hybrid electric vehicle Travel speed is not equal to 0, then control module 203 is additionally operable to control engine 302 and is operated in efficiency power generation pattern.
A kind of flow chart of the electricity-generating control method for hybrid electric vehicle that Fig. 4 provides for Ben Mingfa embodiments.Please Refering to Fig. 4, methods described includes:
S405:First threshold, Second Threshold and the 3rd threshold value are set.Wherein, Second Threshold is more than first threshold.Specific In implementation, first threshold can be battery voltage overvoltage threshold, and Second Threshold can be that engine speed is successively decreased battery electricity Threshold value is pressed, the 3rd threshold value can be engine air conditioning mode charging maximum speed threshold value.
S406:Obtain the working condition of the travel speed, the working condition of air-conditioning system and engine of hybrid electric vehicle. Wherein, working condition can include opening and closed mode.
S407:If the working condition that the travel speed of hybrid electric vehicle is equal to 0, engine is opening and air-conditioning The working condition of system is opening, then obtains cell voltage and engine speed.Wherein, the travel speed of hybrid electric vehicle It is that hybrid electric vehicle remains static equal to 0.
S408:If cell voltage is more than first threshold, control engine keeps rotating speed;If cell voltage be less than or It is less than the 3rd threshold value equal to first threshold and engine speed, then controls engine speed to be incremented to the 3rd threshold value.
S409:If cell voltage is more than Second Threshold, control engine speed is successively decreased.
By above-mentioned electricity-generating control method, cell voltage can be controlled between first threshold and Second Threshold, so that Prevent from charging the battery and overvoltage, the phenomenon of overcurrent occur, protect battery, extend battery life.Meanwhile, it is capable to ensure opening Charged the battery when opening operation of air conditioner, improve energy utilization rate, reach the purpose of energy-conservation.
Fig. 5 is a kind of flow of the electricity-generating control method of hybrid electric vehicle according to another embodiment of the invention Figure.Reference picture 5, above-mentioned electricity-generating control method also includes:
S401:4th threshold value and the 5th threshold value are set.Wherein, the 4th threshold value is more than the 5th threshold value, and the 4th threshold value can be Evaporator surface temperature control air conditioning clutch adhesive threshold value, the 5th threshold value can be evaporator surface temperature control air-conditioning clutch Device disconnects threshold value.
S402:Obtain evaporator surface temperature.
S403:If evaporator surface temperature is more than the 4th threshold value, control air-conditioning system is operated in opening.Its In, can be by controlling air conditioning clutch adhesive so that air-conditioning system is started working, in opening.
S404:If evaporator surface temperature is less than the 5th threshold value, the work of control air-conditioning system is in off position.Its In, can be by controlling air conditioning clutch to disconnect so that air-conditioning system is stopped, it is closed.So as to prevent evaporation Device low temperature ice blockage pipeline, damages compressor assembly.
According to another embodiment of the present invention, above-mentioned electricity-generating control method also includes:If hybrid electric vehicle Travel speed be equal to 0 and air-conditioning system working condition be closed mode when, control engine it is idle n minutes after put out Fire.Wherein, n can be equal to 1.It can so prevent idling from not generating electricity, the energy is consumed in vain.
According to still another embodiment of the present invention, it can also include in above-mentioned electricity-generating control method:If hybrid power It is opening that the travel speed of car, which is equal to the working condition that the 0, working condition of engine is closed mode and air-conditioning system, Then control engine is in opening.
According to the still another embodiment of the present invention, it can also include in above-mentioned electricity-generating control method:If mixing is dynamic The travel speed of power car is not equal to 0 (that is, hybrid electric vehicle is in transport condition) and air-conditioning system is in opening, then controls Engine processed is operated in efficiency power generation pattern.Wherein, under efficiency power generation pattern, engine works in optimal generating efficiency work Area, the optimal power generation operation area of engine is under different electric current operating modes, to select the engine speed under optimal power oil consumption, Power oil consumption=generated output/oil consumption, optimal generating efficiency workspace is by power measured under substantial amounts of working condition measurement Fuel consumption values.
Fig. 6 is the workflow diagram of the efficiency power generation pattern according to the specific embodiment of the invention.When engine is operated in During efficiency power generation pattern, its workflow includes:
S601:Theoretical power consumption oil consumption and tolerance value are set.
S602:Obtain realtime power oil consumption.
S603:Judge realtime power oil consumption whether be more than theoretical power (horse-power) oil consumption and tolerance value and, i.e. judge realtime power Oil consumption>Theoretical power (horse-power) oil consumption+tolerance value
S604:If realtime power oil consumption be more than theoretical power (horse-power) oil consumption and tolerance value and, control engine adjustment turn Speed.
S605:If realtime power oil consumption be less than or equal to theoretical power (horse-power) oil consumption and tolerance value and, continue to judge reality When power oil consumption whether be less than the difference of theoretical power (horse-power) oil consumption and tolerance value, i.e. judge realtime power oil consumption<Theoretical power (horse-power) oil consumption- Tolerance value
S606:If it is determined that realtime power oil consumption is less than the difference of theoretical power (horse-power) oil consumption and tolerance value, then engine is controlled to adjust Turn over speed.
S607:If it is determined that realtime power oil consumption is more than or equal to the difference of theoretical power (horse-power) oil consumption and tolerance value, then control is sent out Motivation keeps rotating speed.
When hybrid vehicle is static, such as air-conditioning system is not opened, and engine stops working for idle 1 minute, prevents idle Speed does not generate electricity, in vain energy loss;After air-conditioning system operation, cell voltage is less than overvoltage threshold c1, VCU control engine and turned Speed in the way of progressively increasing be incremented by, engine speed reach start air conditioner open mode charge maximum speed threshold value d when or battery Voltage stops engine speed when reaching overvoltage threshold c1 and is incremented by, and cell voltage and engine speed, which condition first reach Then perform the condition first reached, cell voltage higher than engine speed successively decrease battery voltage threshold c2 when, engine speed is successively decreased, Until cell voltage is less than battery voltage overvoltage threshold c1, engine speed stops successively decreasing, and prevents the appearance that charges the battery Overvoltage, the phenomenon of overcurrent protects battery, extends battery life.Charge the battery, improve while operation of air conditioner is opened Energy utilization rate, reaches the purpose of energy-conservation.Wherein, c1<c2.
The above-mentioned embodiment of the present invention can be implemented in various hardware, Software Coding or both combination.For example, this hair Bright embodiment, which is alternatively in data signal processor (Digital Signal Processor, DSP), performs the above method Program code.The present invention can also refer to computer processor, digital signal processor, microprocessor or field-programmable gate array Arrange a variety of functions that (Field Programmable Gate Array, FPGA) is performed.Above-mentioned processing can be configured according to the present invention Device performs particular task, its machine-readable software code that the ad hoc approach that the present invention is disclosed is defined by performing or firmware generation Code is completed.Software code or firmware code can be developed into different program languages and different forms or form.Or Different target platform composing software codes.However, configuring generation according to the software code of execution task of the present invention and other types Different code pattern, type and the language of code do not depart from spirit and scope of the invention.
This schematical embodiment is the foregoing is only, on the premise of the design and principle for not departing from this, is appointed Equivalent variations and modification that what those skilled in the art is made, all should belong to the scope of protection of the invention.

Claims (13)

1. a kind of electricity-generating control method of hybrid electric vehicle, the hybrid electric vehicle includes engine, air-conditioning system and battery, its It is characterised by, methods described includes:
First threshold, Second Threshold and the 3rd threshold value are set, wherein, the Second Threshold is more than the first threshold;
Obtain the work shape of the travel speed, the working condition of the air-conditioning system and the engine of the hybrid electric vehicle State;
If the working condition that the travel speed of the hybrid electric vehicle is equal to the 0, engine is opening and described The working condition of air-conditioning system is opening, then obtains cell voltage and engine speed;
If the cell voltage is more than the first threshold, the engine is controlled to keep rotating speed;If cell voltage is small It is less than the 3rd threshold value in or equal to first threshold and engine speed, then controls the engine speed to be incremented to the 3rd threshold Value;
If the cell voltage is more than the Second Threshold, the engine speed is controlled to successively decrease.
2. electricity-generating control method as claimed in claim 1, the air-conditioning system includes evaporator, it is characterised in that the side Method further comprises:
4th threshold value and the 5th threshold value are set, wherein, the 4th threshold value is more than the 5th threshold value;
Obtain evaporator surface temperature;
If the evaporator surface temperature is more than the 4th threshold value, the air-conditioning system is controlled to be operated in opening; If the evaporator surface temperature is less than the 5th threshold value, the air-conditioning system work is controlled in off position.
3. electricity-generating control method as claimed in claim 1, it is characterised in that methods described further comprises:If described mixed Close power car travel speed be equal to 0 and the air-conditioning system working condition be closed mode, then control the engine Stop working after idle n minutes.
4. electricity-generating control method as claimed in claim 1, it is characterised in that methods described further comprises:If described mixed The travel speed for closing power car is equal to work of the working condition of the 0, engine for closed mode and the air-conditioning system State is opening, then controls the engine to be in opening.
5. electricity-generating control method as claimed in claim 1, it is characterised in that methods described further comprises:If described mixed The travel speed for closing power car is not equal to 0, then controls the engine to be operated in efficiency power generation pattern.
6. electricity-generating control method as claimed in claim 5, it is characterised in that the control engine is operated in efficient hair Power mode includes:
Theoretical power (horse-power) oil consumption and tolerance value are set;
Obtain realtime power oil consumption;
Judge the realtime power oil consumption whether be more than the theoretical power (horse-power) oil consumption and the tolerance value and;
If the realtime power oil consumption be more than the theoretical power (horse-power) oil consumption and the tolerance value and, control the engine Rotating speed is adjusted, otherwise continues to judge whether the realtime power oil consumption is less than the theoretical power (horse-power) oil consumption and the tolerance value Difference;
If it is determined that the realtime power oil consumption is less than the theoretical power (horse-power) oil consumption and the difference of the tolerance value, then the hair is controlled Motivation adjusts rotating speed, otherwise controls the engine to keep rotating speed.
7. a kind of power generation control device of hybrid electric vehicle, the hybrid electric vehicle includes engine, air-conditioning system and battery, its It is characterised by, the equipment includes:
Threshold setting module, for setting first threshold, Second Threshold and the 3rd threshold value, wherein, the Second Threshold is more than institute State first threshold;
Acquisition module, for obtaining the travel speed of the hybrid electric vehicle, the working condition of the air-conditioning system and described The working condition of engine;
Control module, if the working condition that the travel speed of the hybrid electric vehicle is equal to the 0, engine is opening And the working condition of the air-conditioning system is opening, then for obtaining cell voltage and engine speed;If described Cell voltage is more than the first threshold, then for controlling the engine to keep rotating speed, if cell voltage is less than or equal to First threshold and engine speed are less than the 3rd threshold value, then for controlling the engine speed to be incremented to the 3rd threshold value; If the cell voltage is more than the Second Threshold, for controlling the engine speed to successively decrease.
8. power generation control device as claimed in claim 7, the air-conditioning system includes evaporator, it is characterised in that described to set It is standby to further comprise:
The threshold setting module is additionally operable to set the 4th threshold value and the 5th threshold value, wherein, the 4th threshold value is more than described the Five threshold values;
The acquisition module is additionally operable to obtain evaporator surface temperature;
If the evaporator surface temperature is more than the 4th threshold value, the control module is used to control the air-conditioning system It is operated in opening;If the evaporator surface temperature is less than the 5th threshold value, the control module is used to control The air-conditioning system work is in off position.
9. power generation control device as claimed in claim 7, it is characterised in that the equipment further comprises:If described mixed Close power car travel speed be equal to 0 and the working condition of the air-conditioning system be closed mode, then the control module is also For stopping working after controlling the engine idle n minutes.
10. power generation control device as claimed in claim 1, it is characterised in that the equipment further comprises:If described mixed The travel speed for closing power car is equal to work of the working condition of the 0, engine for closed mode and the air-conditioning system State is opening, then the control module is additionally operable to control the engine to be in opening.
11. power generation control device as claimed in claim 1, it is characterised in that the equipment further comprises:If described mixed The travel speed for closing power car is not equal to 0, then the control module is additionally operable to control the engine to be operated in efficiency power generation mould Formula.
12. power generation control device as claimed in claim 11, it is characterised in that the control engine is operated in efficiently Power generation mode includes:
Theoretical power consumption oil consumption and tolerance value are set;
Obtain realtime power oil consumption;
Judge the realtime power oil consumption whether be more than the theoretical power (horse-power) oil consumption and the tolerance value and;
If the realtime power oil consumption be more than the theoretical power (horse-power) oil consumption and the tolerance value and, control the engine Rotating speed is adjusted, otherwise continues to judge whether the realtime power oil consumption is less than the theoretical power (horse-power) oil consumption and the tolerance value Difference;
If it is determined that the realtime power oil consumption is less than the theoretical power (horse-power) oil consumption and the difference of the tolerance value, then the hair is controlled Motivation adjusts rotating speed, otherwise controls the engine to keep rotating speed.
13. a kind of hybrid electric vehicle, it is characterised in that the hybrid electric vehicle is included as described in claim 7-12 any one Power generation control device.
CN201710556731.8A 2017-07-10 2017-07-10 A kind of electricity-generating control method of hybrid electric vehicle, equipment and system Pending CN107264513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710556731.8A CN107264513A (en) 2017-07-10 2017-07-10 A kind of electricity-generating control method of hybrid electric vehicle, equipment and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710556731.8A CN107264513A (en) 2017-07-10 2017-07-10 A kind of electricity-generating control method of hybrid electric vehicle, equipment and system

Publications (1)

Publication Number Publication Date
CN107264513A true CN107264513A (en) 2017-10-20

Family

ID=60073134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710556731.8A Pending CN107264513A (en) 2017-07-10 2017-07-10 A kind of electricity-generating control method of hybrid electric vehicle, equipment and system

Country Status (1)

Country Link
CN (1) CN107264513A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101402360A (en) * 2007-10-30 2009-04-08 奇瑞汽车股份有限公司 Power generation control method for motor of hybrid power automobile
CN103332190A (en) * 2013-06-04 2013-10-02 韩群山 Oil-electricity hybrid vehicle fuel power generation control device and control method
CN103448728A (en) * 2013-06-24 2013-12-18 浙江吉利汽车研究院有限公司杭州分公司 Control method and system of traditional vehicular air conditioner in hybrid electric vehicle
WO2015032321A1 (en) * 2013-09-09 2015-03-12 比亚迪股份有限公司 Hybrid electrical vehicle control system and method
CN104590249A (en) * 2015-03-02 2015-05-06 安徽江淮汽车股份有限公司 Method and system for controlling dynamic shift of HEV working modes
CN104828065A (en) * 2014-11-24 2015-08-12 北汽福田汽车股份有限公司 Hybrid electric vehicle and charging control method thereof
CN105699094A (en) * 2015-12-25 2016-06-22 北京新能源汽车股份有限公司 Hybrid electric vehicle and electric quantity and oil quantity conversion method and device
WO2016208003A1 (en) * 2015-06-24 2016-12-29 日産自動車株式会社 Power generation control device for hybrid vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101402360A (en) * 2007-10-30 2009-04-08 奇瑞汽车股份有限公司 Power generation control method for motor of hybrid power automobile
CN103332190A (en) * 2013-06-04 2013-10-02 韩群山 Oil-electricity hybrid vehicle fuel power generation control device and control method
CN103448728A (en) * 2013-06-24 2013-12-18 浙江吉利汽车研究院有限公司杭州分公司 Control method and system of traditional vehicular air conditioner in hybrid electric vehicle
WO2015032321A1 (en) * 2013-09-09 2015-03-12 比亚迪股份有限公司 Hybrid electrical vehicle control system and method
CN104828065A (en) * 2014-11-24 2015-08-12 北汽福田汽车股份有限公司 Hybrid electric vehicle and charging control method thereof
CN104590249A (en) * 2015-03-02 2015-05-06 安徽江淮汽车股份有限公司 Method and system for controlling dynamic shift of HEV working modes
WO2016208003A1 (en) * 2015-06-24 2016-12-29 日産自動車株式会社 Power generation control device for hybrid vehicle
CN105699094A (en) * 2015-12-25 2016-06-22 北京新能源汽车股份有限公司 Hybrid electric vehicle and electric quantity and oil quantity conversion method and device

Similar Documents

Publication Publication Date Title
CN104494392B (en) Solar vehicle-mounted air conditioning system
CN103940050B (en) The control method of electric automobile air conditioner compressor and system
CN107310420A (en) Small-power fuel cell car and its control system and control method
JP6010365B2 (en) Torque control method and system for hybrid vehicle
US20150217757A1 (en) Vehicle control system
Wang et al. Modeling and optimization matching on drive system of a coaxial parallel-type hybrid-power gas engine heat pump
Li et al. A novel parallel-type hybrid-power gas engine-driven heat pump system
CN203713586U (en) integrated control system for range extender of electric motor coach
CN109795469A (en) A kind of battery charging and discharging current control method, system and vehicle
CN103978973A (en) Full-working-condition control method of dual-motor hybrid power system
CN201824833U (en) Auxiliary power truck air conditioner control system
KR20140083353A (en) System and method of power regeneration for fuel cell vehicle
CN105620223A (en) Motor control method for hybrid air conditioner
CN107264513A (en) A kind of electricity-generating control method of hybrid electric vehicle, equipment and system
KR101693956B1 (en) Method for controlling ldc voltage of hybrid vehicle
CN201983391U (en) Control system for air conditioner compressor of hybrid automobile
CN104953203A (en) Calculating method of rotary speed of fan in power battery for hybrid electric vehicle
CN109017210A (en) A kind of air-conditioning system and its working method of hybrid vehicle
CN107264511B (en) A kind of electricity-generating control method of hybrid electric vehicle, equipment and system
Suh et al. Dynamic model and control algorithm of HVAC system for dynamic wireless charging EV application
CN111959293A (en) Motor torque limit value calculation method of double-motor planet row hybrid drive system
CN107323451A (en) A kind of electricity-generating control method of hybrid electric vehicle, equipment and system
Chen et al. Energy-saving analysis of a hybrid-power gas engine heat pump with continuously variable transmission
CN108757161A (en) Energy of engine&#39;s tail gas processing method and system for hybrid power system
CN203172394U (en) Air conditioning system for vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: Economic Development Zone Shandong city Dezhou province 253500 hills District Yingbin North First Street

Applicant after: Shandong yuan Qi new power technology Co., Ltd.

Address before: Economic Development Zone Shandong city Dezhou province 253500 hills District Yingbin North First Street

Applicant before: Dezhou flurida Intelligent Vehicle Research Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20171020